The Number

21231

Twenty-One Thousand Two Hundred and Thirty-One

In Base 11 Undecimal Is

14a5111

The numbers with a 11 subscript use Base 11 Undecimal notation.

For more familiar numbers: See Twenty-One Thousand Two Hundred and Thirty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

21228
14a4911
Twenty-One Thousand Two Hundred and Twenty-Eight in Base 11 Undecimal
21229
14a4a11
Twenty-One Thousand Two Hundred and Twenty-Nine in Base 11 Undecimal
21230
14a5011
Twenty-One Thousand Two Hundred and Thirty in Base 11 Undecimal
21232
14a5211
Twenty-One Thousand Two Hundred and Thirty-Two in Base 11 Undecimal
21233
14a5311
Twenty-One Thousand Two Hundred and Thirty-Three in Base 11 Undecimal
21234
14a5411
Twenty-One Thousand Two Hundred and Thirty-Four in Base 11 Undecimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

2.1231e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000764956012463699311

The reciprocal of 21231 in Base 11 Undecimal.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 14a5111 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Twenty-one thousand two hundred and thirty-one is a composite number with 12 total factors (including 1 and itself).   See primes in Base 11 Undecimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand two hundred and thirty-one is a composite number with 12 total factors (including 1 and itself).

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number twenty-one thousand two hundred and thirty-one has the following 3 prime factors:

3
311
Three in Base 11 Undecimal
7
711
Seven in Base 11 Undecimal
337
28711
Three Hundred and Thirty-Seven in Base 11 Undecimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

3112 · 7111 · 287111 = 14a5111

Base Conversions

The number twenty-one thousand two hundred and thirty-one in 35 different bases